Finding the Third Proportional to 111,268 and 170,790

Step by Step Solution

1. Step 1: Write the proportion equation
   111,268 : 170,790 = 170,790 : x
2. Step 2: Convert to fraction form
   111,268/170,790 = 170,790/x
3. Step 3: Cross multiply
   111,268x = 170,790 × 170,790
4. Step 4: Simplify right side
   111,268x = 29,169,224,100
5. Step 5: Solve for x
   x = 29,169,224,100/111,268
6. Step 6: Final answer
   x = 262,152.86